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Rotaliotina discoidea

Rotaliotina discoidea, common name the discoid delphinula, is a species of small sea snail, a marine gastropod mollusk, in the family Liotiidae.

Description
The size of the shell varies between 4 mm and 9 mm. The shell has a discoidal shape, with a flattened spire. The periphery shows two prominent ribs, connected by lattices which a subspinously project. The surface contains clathrate ridges, the interstices of which are finely striated. ==Distribution==
Distribution
This marine species occurs off the Philippines, Papua New Guinea and Australia (Queensland) and Norfolk Island and Lord Howe Island. ==References==
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